websocket-hub-patterns

Implement horizontally-scalable WebSocket connections with Redis coordination in Go.

Updated Mar 1, 2026
One-click install
npx skills add https://github.com/zangxin75/openclaw-skills --skill websocket-hub-patterns
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: websocket-hub-patterns
Source: https://github.com/zangxin75/openclaw-skills/tree/main/websocket-hub-patterns
Command: npx skills add https://github.com/zangxin75/openclaw-skills --skill websocket-hub-patterns

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill provides robust patterns for building horizontally-scalable WebSocket servers, ensuring real-time communication can handle increasing load and multiple instances.

Core Features & Use Cases

  • Horizontal Scaling: Coordinate WebSocket connections across multiple server instances using Redis.
  • Lazy Subscriptions: Efficiently manage Redis subscriptions, only connecting when clients are actively listening to a channel.
  • Graceful Shutdown: Ensures connections are properly closed and resources are released during server termination.
  • Use Case: Building a real-time chat application where you need to support thousands of concurrent users across several server instances.

Quick Start

Install the websocket-hub-patterns skill using the clawhub command.

Frequently Asked Questions about websocket-hub-patterns

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I scale WebSocket connections across multiple server instances?

You can scale WebSocket connections horizontally by using Redis to coordinate connection registries and hub structures across multiple server instances. This ensures real-time bidirectional communication handles increasing load effectively.

What is the best way to manage Redis subscriptions for WebSocket servers?

The best way to manage Redis subscriptions is through lazy subscriptions, only connecting to Redis channels when clients are actively listening. This pattern optimizes resource usage in distributed real-time systems.

Can I use Go and the Gorilla WebSocket library to build distributed real-time chat applications?

Yes, you can use Go and the Gorilla WebSocket library to build distributed real-time chat applications. These tools provide the foundation for managing thousands of concurrent users across multiple server instances.

Why do I need Redis for WebSocket horizontal scaling?

You need Redis for WebSocket horizontal scaling to coordinate active connections and message routing across multiple server instances. Without a central coordination layer, instances cannot share real-time messages with clients connected to other nodes.

How do I handle graceful shutdown for WebSocket servers?

Graceful shutdown for WebSocket servers ensures connections are properly closed and Redis resources are released during server termination. This prevents dropped messages and resource leaks in distributed real-time communication systems.

What are the limitations of using Redis for WebSocket coordination?

Redis coordination for WebSocket connections requires maintaining a connection registry and managing lazy subscriptions, adding infrastructure complexity. This approach is suited for distributed systems needing horizontal scaling rather than simple single-instance deployments.